Primordial Black Holes Can Trigger Type Ia Supernovae, and Astronomers Should be Able to Find Them

Universe Today Universe Today —

Asteroid-mass primordial black holes (PBH), though hypothetical, are a candidate to be dark matter, or at least a portion of it.</p><p>New research says that if they're real, they could trigger Type Ia supernovae when they pass through stars.</p><p>This would leave an observable signature.</p><p>Image Credit: Zdeněk Bardon / ESOhttps://www.universetoday.com/article_images/image_8628-Primordial-Black-Hole_20260730_154858.jpg" width="1280" />

Primordial black holes (PBH) remain hypothetical, but that isn't stopping astrophysicists from figuring out how they could interact with other stellar objects.

New research shows how PBHs, formed in the early Universe from collapsing pockets of dense subatomic matter instead of from stars, can enter white dwarfs.

In some cases, that could've triggered a Type Ia supernova with particular chemical fingerprints, which should be detectable.

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